by ninja_tek
2025-06-23
hfhnf The SIM800L GSM module and NEO-6M GPS module have different power requirements. Here's a breakdown of their current (ampere) needs:1. SIM800L GSM Module⚠️ Critical Note:The SIM800...
Read More →
by ninja_tek
2025-07-01
To check the continuity and overall health of a potentiometer using a multimeter, follow these steps:Tools NeededTerminals of a PotentiometerStep-by-Step Test ProcedureAcceptable ResultsCommon Failure...
Read More →
by ninja_tek
2025-07-27
I have made 0 to 18 volt linear power supply Using 12-0-12 power step down transformer
Read More →
by ninja_tek
2025-09-01
below is a complete, step-by-step circuit connection guide you can follow to wire your ESP32 8-channel AC dimmer + relays + RS-485 + zero-cross. I cover every connection (mains, protection, optos, TRI...
Read More →